Ningbo Joiwo Explosionproof Science & Technology Co., Ltd. WEB: www.joiwo.com EMAIL: [email protected] Product Name: Waterproof Telephone Product Type: JWAT909 Communication System: IP Protection: IP66 Dimensions: 330x241x122 Material: Aluminum Alloy Color: Yellow (Customized) Application ♦ Suitable for use in subways, pipe corridors, tunnels, highways, power plants, oil stations, docks, steel plants, etc., and has special requirements for moisture, fire, noise, dust, and frost. Features ♦The system has strong compatibility and supports standard SIP 2.0 (RFC3261) and related RFC protocols; ♦Support one-button direct call dispatcher function; three function keys can be set arbitrarily ♦ Full-duplex intercom function; ♦The sensitivity of the speaker and microphone can be adjusted; optional voice coding methods such as G.729 G.723, G.711, G.722, G.726; ♦The phone case is patented, waterproof, dust proof, no need for waterproof cover, beautiful and practical. ♦The circuit inside the telephone adopts the international universal double-sided integrated circuit, which has precise number and call. Clear, stable work and other advantages. ♦Aluminum alloy die-cast housing, high mechanical strength and strong impact resistance. ♦The surface of the outer casing is electrostatically sprayed at a high temperature, which has good antistatic property and is striking in color. ♦The key parts handles, hanging forks and keyboards are all produced by our company. The quality control is strictly controlled, and the after-sales response is fast. Technical Parameters Communication Protocol SIP 2.0(RFC-3261) Instructions 1. Register to the server and make a call according to the server's dialing rules. 2. The called part hears the ringtone ^ pick up the handset to answer the call, and the two parts talk normally. The call ends and the handset is hung back. Product appearance and installation dimensions Service and Support Under normal use, non-human damage, free one-year warranty; Handset, hook, keyboard are our own productions, sales of accessories are available; Unified national service hotline: 400-118-2011